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mirror of https://github.com/home-assistant/core synced 2024-08-28 03:36:46 +02:00
ha-core/homeassistant/components/met_eireann/__init__.py
2024-01-08 09:13:15 +01:00

92 lines
3.0 KiB
Python

"""The met_eireann component."""
from datetime import timedelta
import logging
from types import MappingProxyType
from typing import Any, Self
import meteireann
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_ELEVATION, CONF_LATITUDE, CONF_LONGITUDE, Platform
from homeassistant.core import HomeAssistant
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
import homeassistant.util.dt as dt_util
from .const import DOMAIN
_LOGGER = logging.getLogger(__name__)
UPDATE_INTERVAL = timedelta(minutes=60)
PLATFORMS = [Platform.WEATHER]
async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
"""Set up Met Éireann as config entry."""
hass.data.setdefault(DOMAIN, {})
raw_weather_data = meteireann.WeatherData(
async_get_clientsession(hass),
latitude=config_entry.data[CONF_LATITUDE],
longitude=config_entry.data[CONF_LONGITUDE],
altitude=config_entry.data[CONF_ELEVATION],
)
weather_data = MetEireannWeatherData(config_entry.data, raw_weather_data)
async def _async_update_data() -> MetEireannWeatherData:
"""Fetch data from Met Éireann."""
try:
return await weather_data.fetch_data()
except Exception as err:
raise UpdateFailed(f"Update failed: {err}") from err
coordinator = DataUpdateCoordinator(
hass,
_LOGGER,
name=DOMAIN,
update_method=_async_update_data,
update_interval=UPDATE_INTERVAL,
)
await coordinator.async_refresh()
hass.data[DOMAIN][config_entry.entry_id] = coordinator
await hass.config_entries.async_forward_entry_setups(config_entry, PLATFORMS)
return True
async def async_unload_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
"""Unload a config entry."""
unload_ok = await hass.config_entries.async_unload_platforms(
config_entry, PLATFORMS
)
hass.data[DOMAIN].pop(config_entry.entry_id)
return unload_ok
class MetEireannWeatherData:
"""Keep data for Met Éireann weather entities."""
def __init__(
self, config: MappingProxyType[str, Any], weather_data: meteireann.WeatherData
) -> None:
"""Initialise the weather entity data."""
self._config = config
self._weather_data = weather_data
self.current_weather_data: dict[str, Any] = {}
self.daily_forecast: list[dict[str, Any]] = []
self.hourly_forecast: list[dict[str, Any]] = []
async def fetch_data(self) -> Self:
"""Fetch data from API - (current weather and forecast)."""
await self._weather_data.fetching_data()
self.current_weather_data = self._weather_data.get_current_weather()
time_zone = dt_util.DEFAULT_TIME_ZONE
self.daily_forecast = self._weather_data.get_forecast(time_zone, False)
self.hourly_forecast = self._weather_data.get_forecast(time_zone, True)
return self